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Add triangle_soup_mesh_builder_test to draco_tests
This commit is contained in:
Frank Galligan
parent
a58a08b7a0
commit
1d3df8a8de
@ -385,6 +385,7 @@ set(draco_test_sources
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"${draco_root}/io/point_cloud_io_test.cc"
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"${draco_root}/mesh/mesh_cleanup_test.cc"
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"${draco_root}/mesh/mesh_test.cc"
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"${draco_root}/mesh/triangle_soup_mesh_builder_test.cc"
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"${draco_root}/point_cloud/point_cloud_builder_test.cc")
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set(draco_version_sources
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197
mesh/triangle_soup_mesh_builder_test.cc
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197
mesh/triangle_soup_mesh_builder_test.cc
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@ -0,0 +1,197 @@
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// Copyright 2016 The Draco Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#include "mesh/triangle_soup_mesh_builder.h"
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#include "core/draco_test_base.h"
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#include "core/vector_d.h"
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namespace draco {
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class TriangleSoupMeshBuilderTest : public ::testing::Test {};
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TEST_F(TriangleSoupMeshBuilderTest, CubeTest) {
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// This tests, verifies that the mesh builder constructs a valid cube out
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// of the provided triangle soup data.
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TriangleSoupMeshBuilder mb;
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mb.Start(12);
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const int pos_att_id =
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mb.AddAttribute(GeometryAttribute::POSITION, 3, DT_FLOAT32);
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// clang-format off
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// Front face.
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mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(0),
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Vector3f(0.f, 0.f, 0.f).data(),
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Vector3f(1.f, 0.f, 0.f).data(),
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Vector3f(0.f, 1.f, 0.f).data());
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mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(1),
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Vector3f(0.f, 1.f, 0.f).data(),
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Vector3f(1.f, 0.f, 0.f).data(),
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Vector3f(1.f, 1.f, 0.f).data());
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// Back face.
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mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(2),
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Vector3f(0.f, 1.f, 1.f).data(),
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Vector3f(1.f, 0.f, 1.f).data(),
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Vector3f(0.f, 0.f, 1.f).data());
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mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(3),
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Vector3f(1.f, 1.f, 1.f).data(),
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Vector3f(1.f, 0.f, 1.f).data(),
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Vector3f(0.f, 1.f, 1.f).data());
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// Top face.
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mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(4),
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Vector3f(0.f, 1.f, 0.f).data(),
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Vector3f(1.f, 1.f, 0.f).data(),
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Vector3f(0.f, 1.f, 1.f).data());
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mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(5),
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Vector3f(0.f, 1.f, 1.f).data(),
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Vector3f(1.f, 1.f, 0.f).data(),
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Vector3f(1.f, 1.f, 1.f).data());
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// Bottom face.
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mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(6),
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Vector3f(0.f, 0.f, 1.f).data(),
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Vector3f(1.f, 0.f, 0.f).data(),
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Vector3f(0.f, 0.f, 0.f).data());
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mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(7),
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Vector3f(1.f, 0.f, 1.f).data(),
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Vector3f(1.f, 0.f, 0.f).data(),
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Vector3f(0.f, 0.f, 1.f).data());
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// Right face.
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mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(8),
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Vector3f(1.f, 0.f, 0.f).data(),
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Vector3f(1.f, 0.f, 1.f).data(),
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Vector3f(1.f, 1.f, 0.f).data());
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mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(9),
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Vector3f(1.f, 1.f, 0.f).data(),
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Vector3f(1.f, 0.f, 1.f).data(),
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Vector3f(1.f, 1.f, 1.f).data());
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// Left face.
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mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(10),
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Vector3f(0.f, 1.f, 0.f).data(),
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Vector3f(0.f, 0.f, 1.f).data(),
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Vector3f(0.f, 0.f, 0.f).data());
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mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(11),
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Vector3f(0.f, 1.f, 1.f).data(),
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Vector3f(0.f, 0.f, 1.f).data(),
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Vector3f(0.f, 1.f, 0.f).data());
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// clang-format on
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std::unique_ptr<Mesh> mesh = mb.Finalize();
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ASSERT_NE(mesh, nullptr) << "Failed to build the cube mesh.";
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EXPECT_EQ(mesh->num_points(), 8) << "Unexpected number of vertices.";
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EXPECT_EQ(mesh->num_faces(), 12) << "Unexpected number of faces.";
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}
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TEST_F(TriangleSoupMeshBuilderTest, TestPerFaceAttribs) {
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// This tests, verifies that the mesh builder constructs a valid cube with
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// per face boolean attributes.
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TriangleSoupMeshBuilder mb;
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mb.Start(12);
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const int pos_att_id =
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mb.AddAttribute(GeometryAttribute::POSITION, 3, DT_FLOAT32);
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const int gen_att_id =
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mb.AddAttribute(GeometryAttribute::GENERIC, 1, DT_BOOL);
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uint8_t bool_true = 1;
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uint8_t bool_false = 0;
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// clang-format off
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// Front face.
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mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(0),
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Vector3f(0.f, 0.f, 0.f).data(),
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Vector3f(1.f, 0.f, 0.f).data(),
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Vector3f(0.f, 1.f, 0.f).data());
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mb.SetPerFaceAttributeValueForFace(gen_att_id, FaceIndex(0), &bool_false);
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mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(1),
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Vector3f(0.f, 1.f, 0.f).data(),
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Vector3f(1.f, 0.f, 0.f).data(),
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Vector3f(1.f, 1.f, 0.f).data());
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mb.SetPerFaceAttributeValueForFace(gen_att_id, FaceIndex(1), &bool_true);
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// Back face.
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mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(2),
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Vector3f(0.f, 1.f, 1.f).data(),
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Vector3f(1.f, 0.f, 1.f).data(),
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Vector3f(0.f, 0.f, 1.f).data());
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mb.SetPerFaceAttributeValueForFace(gen_att_id, FaceIndex(2), &bool_true);
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mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(3),
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Vector3f(1.f, 1.f, 1.f).data(),
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Vector3f(1.f, 0.f, 1.f).data(),
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Vector3f(0.f, 1.f, 1.f).data());
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mb.SetPerFaceAttributeValueForFace(gen_att_id, FaceIndex(3), &bool_true);
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// Top face.
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mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(4),
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Vector3f(0.f, 1.f, 0.f).data(),
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Vector3f(1.f, 1.f, 0.f).data(),
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Vector3f(0.f, 1.f, 1.f).data());
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mb.SetPerFaceAttributeValueForFace(gen_att_id, FaceIndex(4), &bool_false);;
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mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(5),
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Vector3f(0.f, 1.f, 1.f).data(),
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Vector3f(1.f, 1.f, 0.f).data(),
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Vector3f(1.f, 1.f, 1.f).data());
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mb.SetPerFaceAttributeValueForFace(gen_att_id, FaceIndex(5), &bool_false);
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// Bottom face.
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mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(6),
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Vector3f(0.f, 0.f, 1.f).data(),
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Vector3f(1.f, 0.f, 0.f).data(),
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Vector3f(0.f, 0.f, 0.f).data());
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mb.SetPerFaceAttributeValueForFace(gen_att_id, FaceIndex(6), &bool_true);
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mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(7),
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Vector3f(1.f, 0.f, 1.f).data(),
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Vector3f(1.f, 0.f, 0.f).data(),
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Vector3f(0.f, 0.f, 1.f).data());
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mb.SetPerFaceAttributeValueForFace(gen_att_id, FaceIndex(7), &bool_true);
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// Right face.
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mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(8),
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Vector3f(1.f, 0.f, 0.f).data(),
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Vector3f(1.f, 0.f, 1.f).data(),
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Vector3f(1.f, 1.f, 0.f).data());
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mb.SetPerFaceAttributeValueForFace(gen_att_id, FaceIndex(8), &bool_false);
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mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(9),
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Vector3f(1.f, 1.f, 0.f).data(),
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Vector3f(1.f, 0.f, 1.f).data(),
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Vector3f(1.f, 1.f, 1.f).data());
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mb.SetPerFaceAttributeValueForFace(gen_att_id, FaceIndex(9), &bool_true);
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// Left face.
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mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(10),
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Vector3f(0.f, 1.f, 0.f).data(),
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Vector3f(0.f, 0.f, 1.f).data(),
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Vector3f(0.f, 0.f, 0.f).data());
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mb.SetPerFaceAttributeValueForFace(gen_att_id, FaceIndex(10), &bool_true);
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mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(11),
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Vector3f(0.f, 1.f, 1.f).data(),
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Vector3f(0.f, 0.f, 1.f).data(),
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Vector3f(0.f, 1.f, 0.f).data());
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mb.SetPerFaceAttributeValueForFace(gen_att_id, FaceIndex(11), &bool_false);
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// clang-format on
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std::unique_ptr<Mesh> mesh = mb.Finalize();
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ASSERT_NE(mesh, nullptr) << "Failed to build the cube mesh.";
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EXPECT_EQ(mesh->num_faces(), 12) << "Unexpected number of faces.";
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EXPECT_EQ(mesh->GetAttributeElementType(gen_att_id), MESH_FACE_ATTRIBUTE)
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<< "Unexpected attribute element type.";
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}
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} // namespace draco
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